Umbaranox

On the Korean site it stands "New class" and shows this trailer though

I know this should probably be under "Classes" but there wasn't any astromancer tab there yet. But seriously, am i the only one that think that astromancer should be available on more races? like the teaser clearely shows a Yun? why is it only available for Lyn? for those who havent seen the korean teaser for Astromancer, here it is: